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Preparation method of covalent organic framework composite microspheres with core-shell structures

The invention relates to a preparation method of covalent organic framework composite microspheres with core-shell structures. The method comprises the following steps: dissolving silicon dioxide microspheres, a first construction element and a second construction element in an organic solvent; and after adding a catalyst, rapidly synthesizing into the composite microspheres with core-shell structures at a certain temperature. In a preparation process, reaction conditions are gentle, the method is simple, and the yield is high; the prepared covalent organic framework composite microspheres have the advantages of good core-shell morphology, high specific surface area, ordered pore structures, good mechanical stability, thermal stability, chemical stability and the like, if the microspheres are used as a chromatographic stationary phase, the chromatographic mass transfer resistance can be reduced effectively, the theoretical plate height is improved, and finally, column efficiency and degree of separation are improved; and if the microspheres are used as solid-phase extracting filler, the enrichment effect can be improved remarkably. The covalent organic framework composite microspheres with core-shell structures have good application prospects in the aspect of separation and enrichment of small organic molecules.
Owner:FUZHOU UNIV

Germicide composition

The invention discloses a germicide composition. The germicide composition consists of an active ingredient (A), namely fluazinam, and an active ingredient (B), namely any one of myclobutanil, difenoconazole, tebuconazole, propiconazol, hexaconazole, flutriafol, metconazole, epoxiconazole, flusilazole, fluquinconazole, tetraconazole, triadimenol, triadimefon, diniconazole, penconazole and cyproconazole, wherein the mass ratio of A to B is 1:100-100:1. The composition has obvious synergistic effect and high prevention effect, and is applied to the prevention and control of various diseases of fruits and vegetables, particularly the prevention and control of powdery mildew.
Owner:DONGGUAN RUIDEFENG BIO TECH

Sterilization compound containing ZJ0712

The invention relates to a sterilization compound containing ZJ0712. The effective components comprise ZJ0712 (A) and any one (B) selected from spiroxamine and famoxadone, wherein the weight ratio of A to B is 100:1 to 1:100, and the weight percentage of the active component in the compound is 10-80 percent. The compound can be prepared into any preparation allowable in agriculture, and better preparation forms include suspending agent, wettable powder, water dispersible granules and the like. The sterilization compound is suitable for farmlands, orchards and the like and is used for preventing and treating multiple plant diseases of powdery mildew and rust diseases of crops such as corns, vegetables, fruit trees, flowers and the like.
Owner:SHENZHEN NOPOSION AGROCHEM

Bactericide used for controlling brassica rapa pekinensis downy mildew and prepared by complexation of bacillus subtilis and chemical bactericide

The invention relates to a pesticide, and especially relates to a complex bactericide composed of bacillus subtilis and a chemical bactericide. The bactericide is used for controlling brassica rapa pekinensis downy mildew. The bactericide comprises the chemical bactericide, bacillus subtilis XM16 CGMCC No.0372, and auxiliary materials. The bactericide is characterized in that the chemical bactericide in the active components is any one selected from metalaxyl, propamocarb, and mancozeb. A biocontrol bacterium is bacillus subtilis XM16, with the strain collection number of CGMCC No.0372. A weight ratio of metalaxyl to bacillus subtilis XM16 is 1-8:1-10. A weight ratio of propamocarb to bacillus subtilis XM16 is 1-10:15-140. A weight ratio of mancozeb to bacillus subtilis XM16 is 1-15:1-10. A form of the bactericide is usually hydrophilic powder or aqueous solution. The complex agent of the biocontrol bacterium and the chemical bactericide has a substantial synergetic effect in controlling brassica rapa pekinensis downy mildew. The biocontrol bacterium bacillus subtilis XM16 is advantaged in high bacteriostatic activity, high stress resistance, and wide bactericidal spectrum. The biocontrol bacterium is complexed with the oomycetes chemical bactericide, such that the pesticide dosage is reduced, and controlling effect is improved. The bactericide is an environment-friendly bactericide. The bactericide is advantaged in high biological safety, low cost, and substantial economic benefit.
Owner:QINGDAO AGRI UNIV

Weeding composition containing dicarfentrazone, quinclorac and halosulfuron-methyl

The invention discloses a weeding composition containing dicarfentrazone, quinclorac and halosulfuron-methyl. An active component is formed by the dicarfentrazone, the quinclorac and the halosulfuron-methyl; the weight ratio of the dicarfentrazone to the quinclorac to the halosulfuron-methyl is (1 to 20) to (20 to 150) to (2 to 30). The weeding composition disclosed by the invention has an obvious synergistic effect and is mainly used for preventing and treating weeds in a sorghum field; compared with independent use or binary compounding use of all single agents, the weeding composition disclosed by the invention has the advantages that the weeding effect is obviously enhanced, and the herbicide controlling spectrum is expanded; meanwhile, the use amount of pesticides is reduced, the environmental pollution is relieved, the generation of weed resistance is delayed, and the service life of the pesticides is prolonged.
Owner:GUANGDONG ZHONGXUN AGRI TECH

Botanical fungicide and the preparation method thereof

The invention relates to a botanical fungicide and the preparation method thereof, which relate to a fungicide and the preparation method. The invention solves the shortcomings of the existing fungicide in severe environmental pollution and resistance due to long-term use. The botanical fungicide of the invention is made from stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis. The method of the invention comprises the steps of: 1. weighing and mixing the stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis; 2. leaching the ethanol; 3. filtering; 4. distilling; 5. moist heat sterilization. The botanical fungicide of the invention has the advantages of innocuity, low residuals, small dosage, no pollution, no resistance, strong bacteriostatic activity, high selectivity, diversified raw material sources, easy match with other biological pesticides, etc. The method of the invention has the advantages of simple process, and low cost. Compared with the chemical agent, the Chinese herbal medicine fungicide has the advantages of many active sites, long agent duration, high degradation speed, small pollutions to the environments, etc.
Owner:黑龙江省农业科学院植物脱毒苗木研究所

Pesticide composition for preventing and treating striped flea beetles

InactiveCN104920441AIncreased site of actionOvercoming and Delaying Pest ResistanceBiocideAnimal repellantsSuspending AgentsDrug resistance
The invention belongs to the technical field of agricultural insecticides and particularly relates to a pesticide composition for preventing and treating striped flea beetles. The pesticide composition comprises the effective components of dinotefuran and pyridaben. The composition further comprises a surfactant and / or other functional axillaries and can be prepared into dosage forms such as a suspending agent, wettable powder, a water dispersible granule, emulsion in water, missible oil and the like, wherein the effective components consisting of dinotefuran and pyridaben account for 10-80% of the total weight. The composition is low in toxicity and high in efficiency, and the insecticidal spectrum is expanded. The composition particularly has excellent insecticidal activity on striped flea beetles. Generation of resistance to drugs is delayed, the lasting period is prolonged and the environmental pollution is reduced while the dosage is reduced, and the composition is safe and free of pesticide hazard to plants.
Owner:青岛泰生生物科技有限公司

Sterilization composite contained with pyribencarb

The invention relates to sterilization composite contained with pyribencarb. The effective ingredients of the sterilization composite contained with the pyribencarb are pyribencarb (A) and one (B) of pyribencarb, procymidone and dimethachlon. The mass percent of A and B is 100:1 to 1:100. The accumulated mass percentage composition of the effective ingredients in the composite is 5 to 80%. The composite can be prepared to dosage forms like suspending agent, wettable powder, water dispersible granule and the like. The applied sites of the sterilization composite are farmland, orchard and the like, and the sterilization composite is used for preventing and curing gray mold of the crops like vegetables, fruit trees, flowers and the like.
Owner:DONGGUAN RUIDEFENG BIO TECH

Preparation and application of core-shell type magnetic metal organic framework nano-particles

The invention relates to preparation and an application of core-shell type magnetic metal organic framework nano-particles. The preparation comprises specific steps as follows: (1), a nano substrate with superparamagnetism is prepared; (2), carboxyl modified magnetic nano-particles are prepared; (3), 100-200 mg of carboxyl modified magnetic nano-particles prepared in the step (2) are dispersed in 5-10 mL ethanol solution containing 10 mmol L<-1> FeCl3.6H2O and are left to stand for 15-20 min at the room temperature, the obtained nano-particles are washed by ethanol for 2-3 times, and FeCl3*6H2O which is not adsorbed is removed; the magnetic nano-particles are dispersed in 5-10 mL ethanol solution containing 10 mmol L<-1> 1,3,5-trimesic acid and left to stand for 30-60 min at the temperature of 70 DEG C; the operation is performed circularly for 10-40 times, the obtained magnetic nano-particles are subjected to vacuum drying for 12-24 h at the temperature of 150 DEG C, and accordingly, the core-shell type magnetic metal organic framework nano-particles are obtained. By means of a pore structure and a large quantity of Fe<3+> ions, acting sites of a material and phosphoeptide are greatly increased, and selectivity, limit of detection and enrichment capacity of the material are improved.
Owner:SOOCHOW HIGH TECH CHROMATOGRAPHY

Sterilizing composition containing active ester

The invention relates to a sterilizing composition containing active ester, which comprises effective components such as active ester (A) and a strobilurin bactericide (B), wherein the strobilurin bactericide is chosen from azoxystrobin, kresoxim-methyl, pyraclostrobine, metominostrobin, dimoxystrobin, trifloxystrobin, picoxystrobin, fluoxastrobin, enestroburin, 2-[2-(2,5-phenoxy-dimethyl) phenyl-methyl-3- methoxy acrylate (ZJ0712) or 2-imino-methyl-N-methyl-2-[[[[[[4-(2,6-dimethyl)phenyl]-3-butylene-2-yl]imino]epoxide]phenyl]amide (SYP-1620), the weight ratio of the A and B is 100:1-1:100, and the content of the active component in the composition is 5-80 in percentage by weight. The composition can be prepared into suspending agents, wetting powder, water dispersible granules, and the like. The sterilizing composition can be applied to farmlands, orchards and the like and is used for controlling various plantdiseases of grains, vegetables, fruit trees, flowers, and the like, in particular powdery mildew and downy mildew.
Owner:SHENZHEN NOPOSION AGROCHEM

Hyper-branched polymer multifunctional sewage treating agent and synthetic method thereof

The invention especially relates to a hyper-branched polymer multifunctional sewage treating agent and a synthetic method thereof, belonging to the technical field of water treatment. The hyper-branched polymer molecular skeleton and molecular terminal of the hyper-branched polymer multifunctional sewage treating agent contain a great number of function groups capable of realizing integrated removal of heavy metal ions, suspensions, colloids, floating oil, etc.; and a hyper-branched polymer core is an organo-silicone structure which has low surface energy, can be easily positioned on the surface interfaces of solid suspension particles and colloidal solutions and is capable of reducing water content of produced floccules.
Owner:济南雅歌新材料科技有限公司

Application of multifunctional plant-source bactericide to control iris tectorum fusarium basal rot

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum fusarium basal rot. The plant-source bactericide is prepared from the following composition in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.
Owner:山东中新科农生物科技有限公司

Bactericidal composition, bactericidal pesticide and application of composition and pesticide

The invention discloses a bactericidal composition, a bactericidal pesticide and application of the composition and the pesticide. The composition comprises thifluzamide and azoxystrobin of which the weight ratio is (10:1) to (1:10). The pesticide comprises the composition used as an effective component of the pesticide and auxiliary components of the pesticide. The invention further provides application of the composition to the control of rice sheath blight disease. Compared with a single dosage, the bactericidal composition has a remarkable synergistic effect on the disease, improves the disinfection effect, reduces pesticide use times, reduces pesticide use cost, and reduces environmental pollution and pesticide residue; as the composition comprises effective components with different modes of actions, action sites are increased, which is conducive to eliminating and delay of the generation of drug resistance of germs.
Owner:ANHUI KELIHUA CHEM

Sterilization composition containing tetraconazole

The invention discloses a sterilization composition which contains tetraconazole and azoxystrobin, wherein the weight ratio of the tetraconazole and the azoxystrobin is 80:1-1:80; the total weight percentage content of active ingredients is 1-80%, and the balance of auxiliary element which allowed to be used in or can be accepted by pesticide. The sterilization composition can be used for controlling diseases of multiple cereal crops, melons and fruits as well as vegetables caused by oomycetes, ascomycetes, basidiomycetes, imperfect fungi and the like, and has important functions such as synergy, delayed drug resistance, reduced cost, expanded prevention and treatment spectrum and the like.
Owner:陕西皇牌作物科技有限公司

Dinotefuran/Spirotetramat compound insecticidal composition

The invention belongs to the technical field of agricultural insecticides, and particularly relates to a Dinotefuran / Spirotetramat compound insecticidal composition. The effective ingredients are Dinotefuran and Spirotetramat in a weight ratio of 3:1-1:3. The Dinotefuran / Spirotetramat compound insecticidal composition is composed of the effective ingredients with different action mechanisms, so that the action sites are increased, thereby being beneficial to overcoming and postponing the generation of insecticide resistance of insects, and widening the insecticidal spectrum; and the invention greatly enhances the insecticidal effect, has the advantages of long preventive effect time and lower consumption of effective ingredients in the field, lowers the production and use cost, and reduces the insecticide residue and environmental pollution.
Owner:QINGDAO HANSEN BIOLOGIC SCI

Microbicidal composition containing benzene kresoxim-methyl and boscalid

The invention provides a microbicidal composition for preventing and controlling powdery mildew, gray mold, brown rot, rot and sclerotinia rot. The microbicidal composition contains benzene kresoxim-methyl and boscalid, wherein the mass ratio of benzene kresoxim-methyl to boscalid is (100:1)-(1:100). The microbicidal composition provided by the invention is mainly applied to flowers, fruit trees, rapes, vegetables or field crops. Compared with a single formulation, the microbicidal composition has distinct synergistic effect, has the advantages of improved microbicidal effect, reduced pesticide application cost, environmental pollution reduction and reduced pesticide residue. The composition also has good effects of overcoming and delaying the generation of chemical resistance of harmful bacteria.
Owner:SINOCHEM LANTIAN +1

Fungicidal composition containing flumorph

The invention relates to a fungicidal composition containing flumorph, of which the effective component is one of flumorph (A) and fenamiphos-sulfone, penthiopyrad and mandipropamid (B), the mass ratio of A and B is between 100:1 and 1:100, and the mass percentage of the active components in the composition is 10-80%. The composition can be prepared to suspending agent, wettable powder and water dispersing granule. The fungicidal composition can be applied in the farmland and orchard and is used for preventing various plant diseases, particularly the downy mildew and epidemic disease on the crops such as grain, vegetables, fruit tree and flowers.
Owner:SHENZHEN NOPOSION AGROCHEM

Application of multifunctional plant-source bactericide to control iris tectorum gray mold

The invention relates to application of a multifunctional plant-source bactericide to control iris tectorum gray mold. The plant-source bactericide is prepared from the following compositions in parts by weight: 0.5-2 parts of radix stellerae chamaejasmes, 3-5 parts of artemisia carvifolia, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaf, 0.8-1.6 parts of glycyrrhiza uralensis, 1-3 parts of fruit of Chinese sumac, 3-5 parts of galla chinensis, 0.5-2 parts of radix sophorae flavescentis, and 0.2-0.6 part of a synergist. The plant-source bactericide has the advantages of no toxicity, low residue, no pollution, no drug resistance, relatively strong bacteriostatic activity, high selectivity and wide raw material source.
Owner:南通市乐悦实业有限公司

Botanical fungicide and the preparation method thereof

The invention relates to a botanical fungicide and the preparation method thereof, which relate to a fungicide and the preparation method. The invention solves the shortcomings of the existing fungicide in severe environmental pollution and resistance due to long-term use. The botanical fungicide of the invention is made from stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis. The method of the invention comprises the steps of: 1. weighing and mixing the stellera chamaejasme, liquorice, aconite and radix sophorae falvescentis; 2. leaching the ethanol; 3. filtering; 4. distilling; 5. moist heat sterilization. The botanical fungicide of the invention has the advantages of innocuity, low residuals, small dosage, no pollution, no resistance, strong bacteriostatic activity, high selectivity, diversified raw material sources, easy match with other biological pesticides, etc. The method of the invention has the advantages of simple process, and low cost. Compared with the chemical agent, the Chinese herbal medicine fungicide has the advantages of many active sites, long agent duration, high degradation speed, small pollutions to the environments, etc.
Owner:黑龙江省农业科学院植物脱毒苗木研究所

Bactericidal composition containing thifluzamide and fluoxastrobin

The invention relates to an agricultural bactericidal composition, in particular to a bactericidal composition containing thifluzamide and fluoxastrobin. The weight ratio of the thifluzamide to the fluoxastrobin is 100:1-1:100. Compared with single pesticides, the bactericidal composition has synergetic effect on rice sheath blight and rice blast, and the bactericidal effect is improved; the cost of consuming bactericides is lowered, and environment pollution and pesticide residue are reduced; and bactericidal drug resistance can be overcome and delayed. The bactericidal composition has no evident adverse influence on test crops, leaves, growth and the like of the crops are all normal, the bactericidal composition is high in safety, meets the requirement of pesticide preparations on safety, and has well control effect on rice sheath blight and rice blast.
Owner:HANGZHOU UDRAGON CHEMICAL CO LTD

Bactericidal composition containing kresoxim-methyl phenylate

The invention discloses a bactericidal composition containing (A) kresoxim-methyl phenylate and (B) propineb or dimethomorph, wherein the weight ratio of (A) and (B) is 50:1 to 1:80, and the total weight percentage of the two active components in the composition is 1-80%. The composition can be used for preventing and treating diseases of crops such as fruit and vegetable, and has the advantages of wide application range, low cost, good effect and the like.
Owner:山东兆丰年生物科技有限公司

Insecticidal composition containing dinotefuran and abamectin

The invention belongs to the technical field of agricultural insecticides, and especially relates to an insecticidal composition containing dinotefuran and abamectin, wherein the weight ratio of dinotefuran to abamectin is 1-90:90-1. The insecticidal composition provided by the invention has the characteristics of small resistance risk, low cost, good drug effect, long persistent period and small environmental pollution, and the effective components of the insecticidal composition comprise dinotefuran and abamectin. The insecticidal composition has the advantages of obvious synergistic effect, greatly-improved drug effect, production and use cost reduction, reduction of the insecticidal residual and the environmental pollution, and benefiting for overcoming and delaying of the pest resistance generation. The insecticidal composition can be processed to prepare a water dispersible granule, a wettable pulvis, a granule, an emulsion in water, a water suspension, missible oil or a micro-emulsion to control a plurality of pests harmful to a plurality of crops comprising rice, wheat, cotton, vegetables, fruit trees and the like.
Owner:SHANDONG KANGQIAO BIO TECH CO LTD

Sterilization compound containing ZJ0712

The invention relates to a sterilization compound containing ZJ0712. The effective components comprise ZJ0712 (A) and any one (B) selected from penthiopyrad and mandipropamid, wherein the weight ratio of A to B is 100:1 to 1:100, and the weight percentage of the active component in the compound is 5-80 percent. The compound can be prepared into any preparation allowable in agriculture, and better preparation forms include suspending agent, wettable powder, water dispersible granules and the like. The sterilization compound is suitable for farmlands, orchards and the like and is used for preventing and treating multiple plant diseases of downy mildew and epidemic diseases of crops such as corns, vegetables, fruit trees, flowers and the like.
Owner:SHENZHEN NOPOSION AGROCHEM

Pesticide synergistic composition containing camphor tree leaf essential oil and cyhalothrin

The invention belongs to the technical field of pesticide application and in particular relates to a pesticide synergistic composition containing camphor tree leaf essential oil and cyhalothrin and application thereof. The pesticide synergistic composition containing the camphor tree leaf essential oil and the cyhalothrin is prepared from an active component A and an active component B, wherein the active component A is the camphor tree leaf essential oil and the active component B is the cyhalothrin; the weight ratio of the active component A to the active component B ranges from (1 to 30) to (30 to 1). The pesticide synergistic composition provided by the invention has a remarkable synergistic effect and the drug dosage is reduced; insect pests with resistance on an existing medicament can be effectively prevented and treated; the pesticide composition provided by the invention can be used for treating various insect pests through one step of pesticide application once and the drug utilization cost is reduced.
Owner:南宁一为辰科技有限公司

Application of fungicidal composition to prevention and treatment of crop gibberellic diseases and gibberellic disease mycotoxin pollution

The invention discloses application of a fungicidal composition to prevention and treatment of crop gibberellic diseases and gibberellic disease mycotoxin pollution. Active components of the fungicidal composition contain 2-cyano-3-phenyl-3-amino ethyl acrylate and prothioconazole. In the fungicidal composition disclosed by the invention, the 2-cyano-3-phenyl-3-amino ethyl acrylate and the prothioconazole have the obvious synergistic effect; components are reasonable and the fungicidal composition has treatment and protection effects and a good fungicidal effect; the prevention effect can be up to about 95%; the medicine utilization time is reduced and the medicine utilization cost is low; the formation of gibberellic disease mycotoxins can also be obviously inhibited; the content of DON (Deoxynivalenol) toxins in wheat grains is only 0.18-0.29mg / kg.
Owner:JIANGSU PESTICIDE RES INST

Sterilizing combination

The invention discloses sterilizing combination. The combination comprises the following effective constituents: mandipropamid (A) and cyazofamid (B), with the mass ratio of 1:60 to 60:1. The combination has obvious synergistic effect and high control effect, is suitable for controlling various diseases on fruits and vegetables, and is particularly suitable for controlling downy mildew.
Owner:SHENZHEN NOPOSION AGROCHEM

Application of multifunctional botanical fungicide in preventing and treating iris tectorum crown rot

The invention relates to an application of multifunctional botanical fungicide in preventing and treating iris tectorum crown rot. The botanical fungicide comprises the following components in parts by weight: 0.5-2 parts of stellera chamaejasma, 3-5 parts of sweet wormwood, 0.7-2 parts of artemisia annua, 0.3-1 part of cinnamomum camphora, 1-3 parts of tobacco leaves, 0.8-1.6 parts of liquorice, 1-3 parts of Chinese sumac fruit, 3-5 parts of Chinese gall, 0.5-2 parts of radix sophorae flavescentis and 0.2-0.6 part of synergist. The botanical fungicide provided by the invention has the advantages of no toxicity, low residue, no pollution, no medicine resistance, relatively high bacteriostatic activity, high selectivity and wide raw material sources.
Owner:北京未来家园生物科技有限公司

Sterilization composition containing thifluzamide and fludioxonil

The present invention provides a sterilization composition for preventing and controlling plant diseases caused by rhizoctonia, wherein the sterilization composition contains thifluzamide and fludioxonil according to a mass ratio of 20:1-1:20. The present invention provides a sterilization agent containing the sterilization composition. The sterilization agent and the sterilization composition of the present invention can be used for preventing and controlling rice sheath blight, brown patch disease, wheat sharp eyespot and vegetable drooping disease.
Owner:SINOCHEM LANTIAN +1

Sterilization composition containing difenodiconazole and pyraclostrobin

The invention relates to a pesticide composition and particularly relates to a sterilization composition which is used for controlling powdery mildew, anthracnose, late blight, brown blotch and banded sclerotial blight in agriculture. The sterilization composition contains active ingredients including difenodiconazole and pyraclostrobin. Compared with the single preparation, the sterilization composition has an obvious synergistic effect on agricultural diseases and is beneficial to overcoming and delaying the production of bacteria resistance.
Owner:HANGZHOU UDRAGON CHEMICAL CO LTD

Preparation method for novel PS-co-PVEA@SiO2

The invention discloses a preparation method for PS-co-PVEA@SiO2, which is mainly characterized in that phenethylene, tetraphenylethylene-N, N-ethylethanamine (VEA), and divinyl benzene are used as raw materials, and MPS-SiO2 is used as seed to prepare PS-co-PVEA@SiO2 composite microsphere through the dispersion polymerization reaction principle. According to the invention, the average particle diameter of the PS-co-PVEA@SiO2 composite microsphere is 180 nm; the chelation function of a polymer layer and the advantage of mechanical stability of the silicon dioxide particle are combined; heavy metal can be efficiently absorbed, and recycling is adopted. The technical preparation process is relatively simple, and is without post-modified treating process. The manufactured PS-co-PVEA@SiO2 composite microsphere has uniform particle diameter, lager specific surface area, and can be widely used in the fields of electron, textiles, medical treatment and health, food, paint, plastic and the like.
Owner:HUNAN UNIV OF TECH
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